#include<stdio.h>
int main(){
	char ch_1[15]={'9','2','3','4','5','6','7','8','9','8','7','6','5','4','3'};
	char ch_2[15]={'1','1','1','1','1','1','1','1','1','1','1','1','1','1','1'};
	int times=2;
	int big_number_1[15];
	int big_number_2[15];
	while(times>0){
		for(int i=0;i<15;i++){
			big_number_1[i]=ch_1[i]-'0';
			big_number_2[i]=ch_2[i]-'0';
		}times--;
	}
	
	int result[16];
	int carry_bit;
	int index=0;
	for(int i=14;i>=0;i--,index++){
		result[index]=(big_number_1[i]+big_number_2[i]+carry_bit)%10;
		if(big_number_1[i]+big_number_2[i]+carry_bit>=10){
			carry_bit=1;
		}else{carry_bit=0;
		}
	}if((big_number_1[0]+big_number_2[0]+carry_bit)>10){
		result[15]=1;
	}
	for(index=15;index>=0;index--){
		printf("%d",result[index]);
	}
	return 0;
}
